You can find all the responsive header options under Theme Options -> Header -> Mobile Header you can set up your preferences for the Mobile Header and Menu.
You can define the height of the Responsive Header and the sticky options. Of course, you can upload the logo and set the logo dimensions, enable sticky header on devices, set the typography and colors settings for the responsive header and menu elements. You can actually design from scratch your responsive header and menu, no matter how you’ve designed your header.